Simplify a bit

And avoid a second call of pObj->GetUserCall.

Change-Id: I4487ad33df594a8a96b517c5b4671512dea7116d
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/162042
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
diff --git a/sw/source/core/draw/dcontact.cxx b/sw/source/core/draw/dcontact.cxx
index 1afe6e5..f0f8a7fd 100644
--- a/sw/source/core/draw/dcontact.cxx
+++ b/sw/source/core/draw/dcontact.cxx
@@ -170,12 +170,16 @@ SwRect GetBoundRectOfAnchoredObj( const SdrObject* pObj )
/// Returns the UserCall if applicable from the group object
SwContact* GetUserCall( const SdrObject* pObj )
{
    SdrObject *pTmp;
    while ( !pObj->GetUserCall() && nullptr != (pTmp = pObj->getParentSdrObjectFromSdrObject()) )
        pObj = pTmp;
    assert((!pObj->GetUserCall() || nullptr != dynamic_cast<const SwContact*>(pObj->GetUserCall())) &&
            "<::GetUserCall(..)> - wrong type of found object user call." );
    return static_cast<SwContact*>(pObj->GetUserCall());
    for (; pObj; pObj = pObj->getParentSdrObjectFromSdrObject())
    {
        if (auto pUserCall = pObj->GetUserCall())
        {
            assert(dynamic_cast<SwContact*>(pUserCall)
                   && "<::GetUserCall(..)> - wrong type of found object user call.");
            return static_cast<SwContact*>(pUserCall);
        }
    }
    return nullptr;
}

/// Returns true if the SrdObject is a Marquee-Object (scrolling text)